JPH0454322U - - Google Patents

Info

Publication number
JPH0454322U
JPH0454322U JP9765890U JP9765890U JPH0454322U JP H0454322 U JPH0454322 U JP H0454322U JP 9765890 U JP9765890 U JP 9765890U JP 9765890 U JP9765890 U JP 9765890U JP H0454322 U JPH0454322 U JP H0454322U
Authority
JP
Japan
Prior art keywords
magnetic fluid
magnetic
permanent magnet
fluid bearing
end surfaces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9765890U
Other languages
Japanese (ja)
Other versions
JP2542227Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9765890U priority Critical patent/JP2542227Y2/en
Publication of JPH0454322U publication Critical patent/JPH0454322U/ja
Application granted granted Critical
Publication of JP2542227Y2 publication Critical patent/JP2542227Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
    • F16C32/0633—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being retained in a gap
    • F16C32/0637—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being retained in a gap by a magnetic field, e.g. ferrofluid bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る磁性流体軸受の第一実施
例を示す断面図、第２図は第１図のＡ′−Ａ′線
における断面図、第３図は本考案に係る磁性流体
軸受の第二実施例を示す断面図、第４図は第２図
のＢ−Ｂ線における断面図、第５図は従来の磁性
流体軸受を示す断面図である。 符号の説明、１……軸、２……鍔、３……鍔の
外周面、４……鍔の両端面、５……ハウジング、
６……環状溝、６ａ……環状溝の端面、７……磁
性流体、Ａ……微小間隙。 FIG. 1 is a cross-sectional view showing a first embodiment of a magnetic fluid bearing according to the present invention, FIG. 2 is a cross-sectional view taken along line A'-A' in FIG. 1, and FIG. 3 is a magnetic fluid bearing according to the present invention. FIG. 4 is a sectional view taken along line BB in FIG. 2, and FIG. 5 is a sectional view showing a conventional magnetic fluid bearing. Explanation of symbols, 1... shaft, 2... tsuba, 3... outer peripheral surface of tsuba, 4... both end surfaces of tsuba, 5... housing,
6... Annular groove, 6a... End face of annular groove, 7... Magnetic fluid, A... Micro gap.

補正 平３．８．１３ 図面の簡単な説明を次のように補正する。 明細書第９頁第１１行目の「環状溝の端面」を
、「環状溝の両端面」と補正する。Amendment 3/8/13 The brief description of the drawing is amended as follows. "End face of the annular groove" on page 9, line 11 of the specification is corrected to "both end faces of the annular groove."

Claims (1)

【実用新案登録請求の範囲】 (1) 永久磁石である円盤状の鍔を有する軸と、
該鍔の外周面及び両端面と微小間隙を介して配置
した非磁性材のハウジングと、前記微小間隙に介
在させた磁性流体とから成る磁性流体軸受におい
て、 前記鍔が半径方向及び円周方向の隣り合う磁極
が互いに異極となるように軸方向に多極着磁した
永久磁石であることを特徴とする磁性流体軸受。 (2) 非磁性材である円盤状の鍔を有する軸と、
該鍔の外周面及び両端面と微小間隙を介して配置
した永久磁石のハウジングと、前記微小間隙に介
在させた磁性流体とから成る磁性流体軸受におい
て、 前記ハウジングが半径方向及び円周方向の隣り
合う磁極が互いに異極となるように前記鍔の両端
面に対向する面に軸方向に多極着磁した永久磁石
であることを特徴とする磁性流体軸受。[Scope of claims for utility model registration] (1) A shaft having a disk-shaped collar that is a permanent magnet;
A magnetic fluid bearing comprising a housing made of a non-magnetic material disposed with a microgap between the outer peripheral surface and both end surfaces of the flange, and a magnetic fluid interposed in the microgap, the ferrofluidic bearing comprising: A magnetic fluid bearing characterized in that it is a permanent magnet magnetized with multiple poles in the axial direction so that adjacent magnetic poles are different from each other. (2) a shaft having a disc-shaped flange made of non-magnetic material;
A magnetic fluid bearing comprising a permanent magnet housing disposed with a minute gap between the outer circumferential surface and both end surfaces of the collar, and a magnetic fluid interposed in the minute gap, wherein the housing is adjacent in the radial and circumferential directions. A magnetic fluid bearing characterized in that it is a permanent magnet that is axially magnetized with multiple poles on a surface facing both end surfaces of the collar so that matching magnetic poles are different from each other.
JP9765890U 1990-09-18 1990-09-18 Magnetic fluid bearing Expired - Lifetime JP2542227Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9765890U JP2542227Y2 (en) 1990-09-18 1990-09-18 Magnetic fluid bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9765890U JP2542227Y2 (en) 1990-09-18 1990-09-18 Magnetic fluid bearing

Publications (2)

Publication Number Publication Date
JPH0454322U true JPH0454322U (en) 1992-05-11
JP2542227Y2 JP2542227Y2 (en) 1997-07-23

Family

ID=31838222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9765890U Expired - Lifetime JP2542227Y2 (en) 1990-09-18 1990-09-18 Magnetic fluid bearing

Country Status (1)

Country Link
JP (1) JP2542227Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101957201B1 (en) * 2018-02-05 2019-03-13 주식회사 하이드로넷 Apparatus for generating fluid driving force

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101957201B1 (en) * 2018-02-05 2019-03-13 주식회사 하이드로넷 Apparatus for generating fluid driving force

Also Published As

Publication number Publication date
JP2542227Y2 (en) 1997-07-23

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term